clumsy

/ˈklʌm.zi/
(of people and animals 人和动物) moving or doing things in a very awkward way 笨拙的；不灵巧的
I spilt your coffee. Sorry—that was clumsy of me.
我弄洒了你的咖啡。对不起，我真是笨手笨脚的。
His clumsy fingers couldn’t untie the knot.
他的手很笨拙，无法解开这个结。